In terms of economics, Kathina Ceremony can generate a lot of revenue and income to local people. After surveyed and did the research it can easily see that there are so many Buddhists (around 1,000 people) visited temple to pilgrimage and join the ceremony. So, it will be the benefits to local people and vendors who sale snack and merchandise over there.
On the other hand, in the long term it might affect in the negative ways of economic dimension. The reason is when amount of people generate a lot of income to local people it will affect to the market price and this lead to increase in the cost of living.